Improve logging in password manager internals page

components/password_manager/core/browser/stub_password_manager_client.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/password_manager/core/browser/stub_password_manager_client.h"
 
 #include "components/password_manager/core/browser/password_form_manager.h"
 
 namespace password_manager {
 
 StubPasswordManagerClient::StubPasswordManagerClient() {}
 
 StubPasswordManagerClient::~StubPasswordManagerClient() {}
 
 bool StubPasswordManagerClient::IsSyncAccountCredential(
     const std::string& username, const std::string& origin) const {
   return false;
 }
 
 bool StubPasswordManagerClient::ShouldFilterAutofillResult(
     const autofill::PasswordForm& form) {
   return false;
 }
 
-void StubPasswordManagerClient::PromptUserToSavePassword(
-    scoped_ptr<PasswordFormManager> form_to_save) {}
+bool StubPasswordManagerClient::PromptUserToSavePassword(
+    scoped_ptr<PasswordFormManager> form_to_save) {
+  return false;
+}
 
 void StubPasswordManagerClient::AutomaticPasswordSave(
     scoped_ptr<PasswordFormManager> saved_manager) {}
 
 void StubPasswordManagerClient::AuthenticateAutofillAndFillForm(
     scoped_ptr<autofill::PasswordFormFillData> fill_data) {}
 
 PrefService* StubPasswordManagerClient::GetPrefs() { return NULL; }
 
 PasswordStore* StubPasswordManagerClient::GetPasswordStore() { return NULL; }
 
 PasswordManagerDriver* StubPasswordManagerClient::GetDriver() { return NULL; }
 
 }  // namespace password_manager